53-6-4. Burden of proof to invalidate sufficient consideration. The burden of showing a want of consideration sufficient to support an instrument lies with the party seeking to invalidate or avoid it.
Source: CivC 1877, § 914; CL 1887, § 3538; RCivC 1903, § 1232; RC 1919, § 849; SDC 1939, § 10.0510.